sbufdesc Struct Reference

#include <buf_internals.h>

Data Fields
BufferTag	tag
BufFlags	flags
uint16	usage_count
unsigned	refcount
int	wait_backend_pid
slock_t	buf_hdr_lock
int	buf_id
int	freeNext
LWLockId	io_in_progress_lock
LWLockId	content_lock

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Detailed Description

Definition at line 134 of file buf_internals.h.

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Field Documentation

slock_t sbufdesc::buf_hdr_lock

Definition at line 142 of file buf_internals.h.

Referenced by InitBufferPool().

int sbufdesc::buf_id

Definition at line 144 of file buf_internals.h.

Referenced by BufferAlloc(), InitBufferPool(), InitLocalBuffers(), InvalidateBuffer(), PinBuffer(), PinBuffer_Locked(), StrategyFreeBuffer(), and UnpinBuffer().

LWLockId sbufdesc::content_lock

Definition at line 148 of file buf_internals.h.

Referenced by BufferAlloc(), ConditionalLockBuffer(), FlushDatabaseBuffers(), FlushRelationBuffers(), InitBufferPool(), LockBuffer(), MarkBufferDirty(), MarkBufferDirtyHint(), SyncOneBuffer(), and UnpinBuffer().

BufFlags sbufdesc::flags

Definition at line 137 of file buf_internals.h.

Referenced by AbortBufferIO(), BufferAlloc(), BufferIsPermanent(), BufferSync(), DropRelFileNodeAllLocalBuffers(), DropRelFileNodeLocalBuffers(), FlushBuffer(), FlushDatabaseBuffers(), FlushRelationBuffers(), InitBufferPool(), InvalidateBuffer(), LocalBufferAlloc(), LockBufferForCleanup(), MarkBufferDirty(), MarkBufferDirtyHint(), MarkLocalBufferDirty(), pg_buffercache_pages(), PinBuffer(), PrintBufferLeakWarning(), ReadBuffer_common(), StartBufferIO(), SyncOneBuffer(), TerminateBufferIO(), UnlockBuffers(), UnpinBuffer(), and WaitIO().

int sbufdesc::freeNext

Definition at line 145 of file buf_internals.h.

Referenced by InitBufferPool(), StrategyFreeBuffer(), and StrategyGetBuffer().

LWLockId sbufdesc::io_in_progress_lock

Definition at line 147 of file buf_internals.h.

Referenced by AbortBufferIO(), InitBufferPool(), StartBufferIO(), TerminateBufferIO(), UnpinBuffer(), and WaitIO().

unsigned sbufdesc::refcount

Definition at line 139 of file buf_internals.h.

Referenced by BufferAlloc(), ConditionalLockBufferForCleanup(), GetBufferFromRing(), InitBufferPool(), InvalidateBuffer(), LockBufferForCleanup(), MarkBufferDirty(), MarkBufferDirtyHint(), PinBuffer(), PinBuffer_Locked(), PrintBufferLeakWarning(), StrategyGetBuffer(), SyncOneBuffer(), and UnpinBuffer().

BufferTag sbufdesc::tag

Definition at line 136 of file buf_internals.h.

Referenced by AbortBufferIO(), BufferAlloc(), BufferGetBlockNumber(), BufferGetTag(), DropDatabaseBuffers(), DropRelFileNodeAllLocalBuffers(), DropRelFileNodeBuffers(), DropRelFileNodeLocalBuffers(), DropRelFileNodesAllBuffers(), FlushBuffer(), FlushDatabaseBuffers(), FlushRelationBuffers(), InitBufferPool(), InvalidateBuffer(), local_buffer_write_error_callback(), LocalBufferAlloc(), pg_buffercache_pages(), PrintBufferLeakWarning(), ReleaseAndReadBuffer(), and shared_buffer_write_error_callback().

uint16 sbufdesc::usage_count

Definition at line 138 of file buf_internals.h.

Referenced by BufferAlloc(), DropRelFileNodeAllLocalBuffers(), DropRelFileNodeLocalBuffers(), GetBufferFromRing(), InitBufferPool(), InvalidateBuffer(), LocalBufferAlloc(), pg_buffercache_pages(), PinBuffer(), StrategyGetBuffer(), and SyncOneBuffer().

int sbufdesc::wait_backend_pid

Definition at line 140 of file buf_internals.h.

Referenced by InitBufferPool(), LockBufferForCleanup(), UnlockBuffers(), and UnpinBuffer().

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The documentation for this struct was generated from the following file:

• src/include/storage/buf_internals.h